如何从Rails控制台访问引擎中的帮助程序？
[英]How do I access a helper in an engine from the Rails console?
问题描述
How do I call a helper inside an engine from the Rails console? 
如何从Rails控制台调用引擎内的助手？ I tried 我试过了
app.coverart
app.refinery.coverart
helper.coverart
helper.refinery.coverart
Refinery::Books::Engine.helpers.coverart
Refinery::Books::Engine.app.coverart
Refinery::Books::Engine.app.helper.coverart
They all say NoMethodError: undefined method . 他们都说NoMethodError: undefined method 。
Rails version 3.2.14. Rails版本3.2.14。
1 个解决方案
解决方案1
2 已采纳 2014-05-05 22:14:38
If you want to include functions from Refinery::Books::ApplicationHelper you can do this like the following. 如果要包含Refinery::Books::ApplicationHelper函数，可以执行以下操作。
irb(main):001:0> include Refinery::Books::ApplicationHelper
irb(main):002:0> respond_to? :function_from_engine_helper
=> true
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